+ Bin
On Tue, 2019-04-09 at 12:42 +0200, David Abdurachmanov wrote:
> - Set fdt_addr variable, which is needed for extlinux to find FDT.
> Otherwise booting kernel using extlinux results in missing FDT.
>
> - Also run fdt addr with FDT address so that fdt commands would
> work out of the box in U-Boot prompt.
While often useful to have, the fdt command is not used during a normal
boot. I think we should avoid calling commands, which are not normally
needed. Can you remove this from your patch?
Thanks,
Lukas
>
> This is successfully used by Fedora/RISCV with 5.1-rc3+ kernel using
> OpenSBI -> U-Boot (S-mode) [extlinux] -> Kernel setup.
>
> Signed-off-by: David Abdurachmanov <david.abdurachma...@gmail.com>
> ---
> include/configs/qemu-riscv.h | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/include/configs/qemu-riscv.h b/include/configs/qemu-riscv.h
> index 22a5cd7365..b7110edebc 100644
> --- a/include/configs/qemu-riscv.h
> +++ b/include/configs/qemu-riscv.h
> @@ -48,4 +48,8 @@
> "ramdisk_addr_r=0x88300000\0" \
> BOOTENV
>
> +#define CONFIG_PREBOOT \
> + "setenv fdt_addr ${fdtcontroladdr};" \
> + "fdt addr ${fdtcontroladdr};"
> +
> #endif /* __CONFIG_H */
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